Ammonium polyphosphate(APP) and expandable graphite(EG) have been used to improve flame retardancy of poly(ethylene-co-vinyl acetate)(EVA).

• 对聚磷酸铵(APP)和膨胀石墨(EG)协同阻燃乙烯-醋酸乙烯酯共聚物(EVA)及其阻燃机理进行了研究。